Bug 1348779 (CVE-2015-8931)

Summary: CVE-2015-8931 libarchive: Undefined behavior (signed integer overflow) in mtree parser
Product: [Other] Security Response Reporter: Doran Moppert <dmoppert>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: anemec, ndevos, praiskup, slawomir
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: libarchive 3.2.0 Doc Type: If docs needed, set a value
Doc Text:
Undefined behavior (signed integer overflow) was discovered in libarchive, in the MTREE parser's calculation of maximum and minimum dates. A crafted mtree file could potentially cause denial of service.
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-10-18 04:59:38 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1352776, 1353065, 1353066    
Bug Blocks: 1334215    

Description Doran Moppert 2016-06-22 04:20:49 UTC
Undefined behaviour (signed integer overflow) was discovered in libarchive,
in the MTREE parser's calculation of maximum and minimum dates.

Upstream bug:
    https://github.com/libarchive/libarchive/issues/539

Upstream fix:
    https://github.com/libarchive/libarchive/commit/b31744d

Comment 1 Doran Moppert 2016-07-05 04:38:12 UTC
Created libarchive tracking bugs for this issue:

Affects: fedora-all [bug 1352776]

Comment 3 Pavel Raiskup 2016-07-11 06:29:51 UTC
FTR: Also 11f6da24 should be backported.

Comment 5 errata-xmlrpc 2016-09-12 20:14:45 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:1844 https://rhn.redhat.com/errata/RHSA-2016-1844.html